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Finding the Fourth Proportional to 244,585.20, 366,877.80 and 213,481.20

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Solution

The fourth proportional to 244,585.20, 366,877.80 and 213,481.20 is: 320,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,585.20 : 366,877.80 = 213,481.20 : x
  2. Step 2: Convert to fraction form
    244,585.20/366,877.80 = 213,481.20/x
  3. Step 3: Cross multiply
    244,585.20x = 366,877.80 × 213,481.20
  4. Step 4: Simplify right side
    244,585.20x = 78,321,512,997.36
  5. Step 5: Solve for x
    x = 78,321,512,997.36/244,585.20
  6. Step 6: Final answer
    x = 320,221.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.